Tag Archives: HLS

SF Video Tech meetup: Frame Accurate Video Playback In The Browser

Abstract Livestreaming could be quite challenging, but it is possible to create a simple proof of concept of live streaming platform in few lines of code, here I show you how to do that VOD demo Live demo

Super fast HLS trimming with frame accuracy

Description This article is an evolution of this code: Trim HLS stream with frame accuracy using ffmpeg and Bash script The implementation gets a group if HLS chunks (.ts) and based on input and output points (timestamps) it creates an mp4 output file frame accuracy trimmed, and with AV perfectly aligned. Thanks to the underlying algorithmContinue reading “Super fast HLS trimming with frame accuracy”

Trim HLS stream with frame accuracy using ffmpeg and Bash script

Introduction The main idea of this post is to practise with ffmpeg and write down my experiences, issues that I have found, possible solutions, etc. To achieve that I developed a group of bash scripts that are able to trim a HLS stream using ffmpeg . The purpose of these scripts is to perform a VERY FASTContinue reading “Trim HLS stream with frame accuracy using ffmpeg and Bash script”

JOCHLSDownloader (Ruby gem)

The JOCHLSDownloader ruby gem is a very simple native ruby code that downloads all files linked by a m3u8 manifest (used in HLS), I have used several times for test purposes.   You can download the JOCHLSDownloader (Ruby version) from: Note: For LIVE and EVENT playlist types it downloads only the firsts media segments. For VOD playlistContinue reading “JOCHLSDownloader (Ruby gem)”